Aleutian Tern
NameAleutian Tern
Common NameAleutian Tern
Scientific NameOnychoprion aleuticus
FamilyLaridae
Wingspan (cm)77.5
Length (cm)34
Weight (g)105
Plumage DetailsAdults have a black cap with a prominent white forehead patch that extends above the eye. The upperparts are pale grey, contrasting with white underparts. The bill and legs are black, and the tail is deeply forked.
Vocalization / CallIts vocalizations include a distinctive, high-pitched, often two-note call, commonly described as 'wee-it' or 'chew-it'.
Primary Dietpiscivore
Primary Habitatscoastal, wetland
Conservation Statusnear-threatened
Geographic RangeBreeds along the coasts of Alaska, eastern Siberia, and the Russian Far East. Winters in Southeast Asia, primarily the Philippines and Indonesia.
Identifying FeaturesBlack cap with white forehead patch, Pale grey upperparts and white underparts, Black bill and legs, Deeply forked tail
Description
The Aleutian Tern is a medium-sized tern characterized by its sleek build and distinctive head pattern. It is typically found foraging over coastal waters, exhibiting graceful flight and plunge-diving for fish.
